sync upstream code

app/client/tools/ddg_search.ts

@@ -0,0 +1,15 @@
+import { ToolApi, getHeaders } from "../api";
+
+export class DuckDuckGoSearch implements ToolApi {
+  name = "duckduckgo_search";
+  description =
+    "A wrapper around DuckDuckGo Search.Useful for when you need to answer questions about current events.Input should be a search query.";
+
+  async call(input: string): Promise<string> {
+    const res = await fetch(`/api/tools/ddg?query=${input}`, {
+      method: "GET",
+      headers: getHeaders(),
+    });
+    return await res.json();
+  }
+}